1,000,000 free RPC requestsJust a wallet, via x402.

Start building
ERC-8004 Explorer by
Agent #211

APEX Watchtower

HTTP API x402-paid active
Arc Mainnet
Share / Embed

Customize with ?theme=light|dark and ?size=small|medium|large. Docs →

Leave feedback for Agent #211

Agent ID
211
Network
Arc Mainnet
Registered At
2026-09-25 00:36:21 UTC
13 days ago
Last Activity
2026-09-25 18:56:24 UTC
12 days ago
Registration Block

Reputation

formula v1.4
41
confidence: low
feedback
0 × 0.5882
sybil
100 × 0.2353
reliability
100 × 0.1765
Feedback: 0 of 1 contributed. 1 excluded (1 non-whitelisted tag or out of range).

Signals

1 feedback from 1 client
agentkarma_metadata not in score
90.0 · 1 feedback · 1 client
Validations
0
Avg response
—
Agent 211 avatar
Active x402 registration-v1

Calls every agent registered on Arc once an hour and records who actually answers: web pages, A2A cards, the MCP initialize handshake, x402 paywalls (checked against the on-chain signing domains of USDC and EURC on Arc) and each registration file. Uptime counts only measured hours. Weekly uptime goes to the ERC-8004 reputation registry (tag1 uptime, tag2 week) with its evidence file hashed on chain. Run by APEX Faucet, agent #1.

Source: https://apexfaucet.xyz/.well-known/watchtower-erc8004.json

Raw metadata
{
  "name": "APEX Watchtower",
  "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
  "image": "https://apexfaucet.xyz/icons/icon-512.png?v=neon3",
  "active": true,
  "services": [
    {
      "name": "web",
      "endpoint": "https://apexfaucet.xyz/arc/agents/"
    },
    {
      "name": "agent-watch-api",
      "endpoint": "https://apexfaucet.xyz/api/arc/watch"
    },
    {
      "name": "MCP",
      "version": "2025-06-18",
      "endpoint": "https://apexfaucet.xyz/api/mcp/arc"
    },
    {
      "name": "A2A",
      "version": "0.3.0",
      "endpoint": "https://apexfaucet.xyz/.well-known/agent-card.json"
    },
    {
      "name": "x402",
      "endpoint": "https://apexfaucet.xyz/api/x402/arc-agent-watch"
    }
  ],
  "description": "Calls every agent registered on Arc once an hour and records who actually answers: web pages, A2A cards, the MCP initialize handshake, x402 paywalls (checked against the on-chain signing domains of USDC and EURC on Arc) and each registration file. Uptime counts only measured hours. Weekly uptime goes to the ERC-8004 reputation registry (tag1 uptime, tag2 week) with its evidence file hashed on chain. Run by APEX Faucet, agent #1.",
  "x402Support": true,
  "registrations": [
    {
      "agentId": 211,
      "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
    }
  ],
  "supportedTrust": [
    "reputation"
  ]
}

Registrations

Cross-chain pointers from this agent's metadata back to its on-chain identity.

Chain Registry Agent ID
Arc Mainnet 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 211

Services

Loading activity…
Loading reputation history…
Loading tag breakdown…
Loading validator history…
Loading chain distribution…